Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
BITUMA CORP
508 HWY 18 W, MARQUETTE, IA, 52158
Parent company: GENCOR INDUSTRIES INC
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Xylene (mixed isomers) | Total |
|---|---|---|
| 2007 | 12,704 | 12,704 |
| 2006 | 15,320 | 15,320 |
| 2005 | 21,420 | 21,420 |
| 2004 | 14,639 | 14,639 |
| 2003 | 19,450 | 19,450 |
| 2002 | 33,067 | 33,067 |
| 2001 | 11,773 | 11,773 |
| 2000 | 18,989 | 18,989 |
| 1999 | 26,070 | 26,070 |
| 1998 | 31,263 | 31,263 |